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Effect of Azithromycin in Addition to Inhaled Corticosteroids in Severe Preschool Wheeze: A Retrospective Cohort
Meryl Dumenil1, Julien Grosjean2, Laure Couderc1
1Department of Pediatrics and Adolescent, Centre Hospitalier Universitaire de Rouen, University Rouen Normandie, Dynamicure INSERM UMR 1311, CHU Rouen, Rouen, France.
Insights
Azithromycin may help control severe preschool wheeze when inhaled corticosteroids (ICS) are insufficient. This retrospective study showed reduced symptoms and exacerbations in children treated with azithromycin, suggesting its potential as an add-on therapy.
Area of Science:
- Pediatric Pulmonology
- Respiratory Medicine
- Pharmacology
Background:
- Preschool wheeze is a prevalent condition with limited therapeutic options.
- Current standard treatment relies mainly on inhaled corticosteroids (ICS).
- Severe cases often remain uncontrolled despite high-dose ICS therapy.
Purpose of the Study:
- To evaluate the efficacy of long-term azithromycin as an additional therapy for severe preschool wheeze.
- To assess outcomes in children with severe wheeze uncontrolled by high-dose ICS.
Main Methods:
- A single-center, retrospective study included 38 children under 6 years old.
- Participants had severe recurrent wheeze, uncontrolled by high-dose ICS.
- Azithromycin was administered three times weekly for 6 months as maintenance treatment.
Main Results:
- A significant improvement in wheeze control was observed.
- A decrease in exacerbations and daily respiratory symptoms was noted.
- Reduced daily ICS dosage and no major adverse effects were reported.
Conclusions:
- Azithromycin shows promise as an adjunctive treatment for young children with persistent asthma and frequent exacerbations.
- Further validation through controlled prospective studies is necessary.
- This finding suggests a potential new therapeutic avenue for difficult-to-treat preschool wheeze.
Introduction:
Preschool wheeze is common, and treatment options are limited, consisting mainly of inhaled corticosteroids (ICS). We report here a retrospective study in severe preschool wheezers not controlled by high doses of ICS, who were given azithromycin as long-term additional therapy.
Methods:
We conducted a single-center, retrospective study between 2020 and 2025, including children less than 6 years old with severe recurrent wheeze, partially or uncontrolled despite a high dose of ICS and who were given azithromycin three times a week for 6 months as maintenance treatment.
Results:
Thirty-eight children with a mean age of 2.3 ± 1.2 years were retrospectively included in our center. We found an improvement in the control of wheezing and a decrease of exacerbations, daily respiratory symptoms, and dose of daily ICS after 6 months of azithromycin treatment, without major secondary effect declared.
Conclusion:
Azithromycin could therefore be considered as an adjunctive treatment in young children with persistent asthma and frequent exacerbations despite high doses of inhaled steroids. This conclusion is from a retrospective study, and it is needed to perform controlled prospective studies to validate these findings.
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